Improvement in dentists and barbers chairs



i NITED STATES TENT OFFICE.,

IMPROVEMENT IN DENTISTS AND BARBERS CHAIRS.

Specification forming part of Letters Patent No. 116,427, dated June Q7,1871.

- hereinafter, Y

Figure 1 is a side elevation ot' a chair embodying our invention. Fig. 2is a rear elevation of the same.

A is the frame-work of the chair. The back B ishin ged to theseatportion of the frame, as shown at S, Fig. 2. To accomplish thepurpose of iirmly supporting the. bach at any desired inclination, Weattach the ca-sting O to the middle rail of the back B. The lowerportion of this casting is formed into the segment of a circle, thecenter ot' which is at the hinges S, and is notched on the inside, asshown in Fig. l. This segment also runs th rough an eye, I, attached tothe under side of the back rail of the seat. Alatch or catch, D, isattached to the back rail, arranged to engage with the notches incasting C to hohl the back securely at the angle. in which it may beset. E is a spring, al so attached to the back rail ot' the seat,arranged to hold thelatch firmly down in the notches- By raising thelatch the back B may be inclined backward at an y desired angle andthere securely held by the latch D when the latter is let down into thenotches in casting O. Fis an adjustable extension foot-rest, furnishedwith ahinged leaf, G,

so arranged as to be drawn out the required disl tance to adapt ittolarge or small persons. The hin ged lea-fG readily adj usts itselt' tothe extended legs ot' the person occupying the chair, so that h willrest comfortably thereon.

It will be readily understood that the chair is to be provided withcushioned seat, and to be upholstered in the usual manner.

Te claim as our invention- The toothed or notched segmental casting Oattached to the hinged back B, the latch or catch D attached tothet'rame A, and the extension foot rest F furnished with the hingedleaf G, all constructed and arranged substantially as set forth.

AUGUST GEBHABD. JOHN BLODAN. Witnesses:

O. F. MAYHEW, WM. H. WEEKS.

